mirror of
https://github.com/rustwasm/wasm-bindgen.git
synced 2024-12-25 19:11:45 +03:00
107 lines
3.8 KiB
Rust
107 lines
3.8 KiB
Rust
use super::project;
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#[test]
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fn works() {
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project()
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.requires_bigint()
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn js_i64_round(a: i64) -> i64;
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fn js_u64_round(a: u64) -> u64;
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}
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#[wasm_bindgen]
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pub fn zero() -> u64 { 0 }
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#[wasm_bindgen]
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pub fn one() -> u64 { 1 }
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#[wasm_bindgen]
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pub fn neg_one() -> i64 { -1 }
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#[wasm_bindgen]
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pub fn u32_max() -> u64 { u32::max_value() as u64 }
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#[wasm_bindgen]
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pub fn i32_min() -> i64 { i32::min_value() as i64 }
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#[wasm_bindgen]
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pub fn u64_max() -> u64 { u64::max_value() }
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#[wasm_bindgen]
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pub fn i64_min() -> i64 { i64::min_value() }
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#[wasm_bindgen]
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pub fn i64_round(a: i64) -> i64 { js_i64_round(a) }
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#[wasm_bindgen]
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pub fn u64_round(a: u64) -> u64 { js_u64_round(a) }
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#[wasm_bindgen]
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pub fn i64_slice(a: &[i64]) -> Vec<i64> { a.to_vec() }
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#[wasm_bindgen]
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pub fn u64_slice(a: &[u64]) -> Vec<u64> { a.to_vec() }
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"#,
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)
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.file(
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"test.js",
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r#"
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import * as wasm from './out';
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function assertEq(a, b) {
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console.log(a, '?=', b);
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if (a === b)
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return;
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throw new Error('not equal');
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}
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function assertArrayEq(a, b) {
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console.log(a, '?=', b);
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if (a.length !== b.length)
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throw new Error('not equal');
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for (let i = 0; i < a.length; i++)
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assertEq(a[i], b[i]);
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}
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export function test() {
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assertEq(wasm.zero(), BigInt(0));
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assertEq(wasm.one(), BigInt(1));
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assertEq(wasm.neg_one(), BigInt(-1));
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assertEq(wasm.u32_max(), BigInt(4294967295));
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assertEq(wasm.i32_min(), BigInt(-2147483648));
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assertEq(wasm.u64_max(), BigInt('18446744073709551615'));
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assertEq(wasm.i64_min(), BigInt('-9223372036854775808'));
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assertEq(wasm.i64_round(BigInt(0)), BigInt(0));
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assertEq(wasm.i64_round(BigInt(1)), BigInt(1));
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assertEq(wasm.i64_round(BigInt(-1)), BigInt(-1));
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assertEq(wasm.u64_round(BigInt(0)), BigInt(0));
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assertEq(wasm.u64_round(BigInt(1)), BigInt(1));
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assertEq(wasm.u64_round(BigInt(1) << BigInt(64)), BigInt(0));
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const u64_max = BigInt('18446744073709551615');
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const i64_min = BigInt('-9223372036854775808');
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assertEq(wasm.i64_round(i64_min), i64_min);
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assertEq(wasm.u64_round(u64_max), u64_max);
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assertArrayEq(wasm.u64_slice([]), new BigUint64Array());
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assertArrayEq(wasm.i64_slice([]), new BigInt64Array());
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const arr1 = new BigUint64Array([BigInt(1), BigInt(2)]);
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assertArrayEq(wasm.u64_slice([BigInt(1), BigInt(2)]), arr1);
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const arr2 = new BigInt64Array([BigInt(1), BigInt(2)]);
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assertArrayEq(wasm.i64_slice([BigInt(1), BigInt(2)]), arr2);
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assertArrayEq(wasm.i64_slice([i64_min]), new BigInt64Array([i64_min]));
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assertArrayEq(wasm.u64_slice([u64_max]), new BigUint64Array([u64_max]));
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}
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export function js_i64_round(a) { return a; }
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export function js_u64_round(a) { return a; }
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"#,
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)
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.test();
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}
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